int gralloc_unlock(gralloc_module_t const* module,
buffer_handle_t handle)
{
// we're done with a software buffer. nothing to do in this
// implementation. typically this is used to flush the data cache.
private_handle_t* hnd = (private_handle_t*)handle;
ion_sync_fd(getIonFd(module), hnd->fd);
if (hnd->fd1 >= 0)
ion_sync_fd(getIonFd(module), hnd->fd1);
if (hnd->fd2 >= 0)
ion_sync_fd(getIonFd(module), hnd->fd2);
if (private_handle_t::validate(handle) < 0)
return -EINVAL;
return 0;
}
TEST_F(Device, DMAWriteCachedNeedsSync)
{
auto alloc_ptr = std::make_unique<char[]>(8192 + 1024);
void *buf = (void *)(ALIGN((unsigned long)alloc_ptr.get(), 4096) + 1024);
for (int i = 0; i < 4096; i++)
((char *)buf)[i] = i;
for (unsigned int heapMask : m_allHeaps) {
SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
int map_fd = -1;
unsigned int flags = ION_FLAG_CACHED | ION_FLAG_CACHED_NEEDS_SYNC;
ASSERT_EQ(0, ion_alloc_fd(m_ionFd, 4096, 0, heapMask, flags, &map_fd));
ASSERT_GE(map_fd, 0);
void *ptr;
ptr = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, map_fd, 0);
ASSERT_TRUE(ptr != NULL);
dirtyCache(ptr, 4096);
writeDMA(map_fd, buf, 4096);
ion_sync_fd(m_ionFd, map_fd);
for (int i = 0; i < 4096; i++)
ASSERT_EQ((char)i, ((char *)ptr)[i]) << i;
ASSERT_EQ(0, munmap(ptr, 4096));
ASSERT_EQ(0, close(map_fd));
}
}
static int gralloc_unlock(gralloc_module_t const* module, buffer_handle_t handle)
{
MALI_IGNORE(module);
if (private_handle_t::validate(handle) < 0)
{
AERR("Unlocking invalid buffer 0x%p, returning error", handle);
return -EINVAL;
}
private_handle_t *hnd = (private_handle_t *)handle;
int32_t current_value;
int32_t new_value;
int retry;
if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_UMP && hnd->writeOwner)
{
#if GRALLOC_ARM_UMP_MODULE
ump_cpu_msync_now((ump_handle)hnd->ump_mem_handle, UMP_MSYNC_CLEAN_AND_INVALIDATE, (void *)hnd->base, hnd->size);
#else
AERR("Buffer 0x%p is UMP type but it is not supported", hnd);
#endif
} else if ( hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION && hnd->writeOwner)
{
#if GRALLOC_ARM_DMA_BUF_MODULE
private_module_t *m = (private_module_t*)module;
ion_sync_fd(m->ion_client, hnd->share_fd);
#endif
}
return 0;
}
unsigned int IonGetAddr(void *handle)
{
unsigned int phy_adr=0;
struct ion_handle *handle_ion;
private_handle_t* hnd = NULL;
SUNXI_hwcdev_context_t *Globctx = &gSunxiHwcDevice;
Globctx->ion_fd = ion_open();
if( Globctx->ion_fd != -1 )
{
hnd = (private_handle_t*)handle;
ion_import(Globctx->ion_fd,hnd->share_fd, &handle_ion);
phy_adr= (unsigned int)ion_getphyadr(Globctx->ion_fd,(void *)(handle_ion));
ion_sync_fd(Globctx->ion_fd,hnd->share_fd);
ion_close(Globctx->ion_fd);
Globctx->ion_fd = -1;
}
return phy_adr;
}
static int gralloc_unlock(gralloc_module_t const* module, buffer_handle_t handle)
{
if (private_handle_t::validate(handle) < 0)
{
AERR( "Unlocking invalid buffer 0x%x, returning error", (int)handle );
return -EINVAL;
}
private_handle_t* hnd = (private_handle_t*)handle;
int32_t current_value;
int32_t new_value;
int retry;
if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_UMP && hnd->writeOwner)
{
#if GRALLOC_ARM_UMP_MODULE
ump_cpu_msync_now((ump_handle)hnd->ump_mem_handle, UMP_MSYNC_CLEAN_AND_INVALIDATE, (void*)hnd->base, hnd->size);
#else
AERR( "Buffer 0x%x is UMP type but it is not supported", (unsigned int)hnd );
#endif
}
else if ( hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION && hnd->writeOwner)
{
#if GRALLOC_ARM_DMA_BUF_MODULE
hw_module_t * pmodule = NULL;
private_module_t *m=NULL;
if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, (const hw_module_t **)&pmodule) == 0)
{
m = reinterpret_cast<private_module_t *>(pmodule);
ion_sync_fd(m->ion_client, hnd->share_fd);
}
else
{
AERR("Couldnot get gralloc module for handle 0x%x\n", (unsigned int)handle);
}
#endif
}
return 0;
}